The BCS Perpetual Calendar Tool is designed to provide all necessary communications to perform Gregorian Calendar Lookups from the beginning of the Gregorian calendar (January 1, 1600) to the year 3099 (December, 31)! My utilities stores dates in seconds past midnight since the beginning of the Gregorian calendar. Leap years as well as knowledge of the last day in each month allows for flawless and perpetual calendar manipulation.
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